#include<bits/stdc++.h>
using namespace std;
int b[100010];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n,maxn=0,a,t=0;
    cin>>n;
    for(int i=1;i<=n;i++) cin>>a,b[a]++,maxn=max(maxn,a);
    for(int i=1;i<=maxn;i++) if(b[i]>=t) t=b[i];
    cout<<t;
    return 0;
}
